Ancient Rome, Known for it’s Homosexuality, Adulteries and Fornication, is no more. Yes, some parts have been borrowed by other cultures. But God dealt with it as He has done with others and can be expected to again.
The fall of the Roman Empire in 1453 occurred after the schism between Rome and Constantinople had been healed.
The people who suffered the Turkish conquest were in no way more vile than those who didn’t suffer the Turkish conquest, and were in many ways more virtuous. It didn’t help them.